Building Physics Advice and M&E Design for Barn Conversions

Greengauge have provided building physics advice and M&E design on the conversion of five beautiful Cotswold Barns. The buildings needed to deliver a reduction in CO2 emissions beyond a standard Part L compliant conversion. The challenges of this heritage retrofit were based around the sensitive conservation nature of the buildings.

Working with the Architect and BCO, we developed a fabric-first approach considerably improving the energy performance of the buildings, whilst also using Greengauge expertise in moisture risk analysis to produce a low risk solution, which could be applied across all the buildings. This has been tied in with improving air-tightness and installing MVHR. The heat losses have then been reduced to such an extent that low temperature underfloor heating can be coupled successfully with a Ground Source Heat Pump to deliver a low carbon heat source. Typically barn conversations can lead to high temperature and high running cost systems to deliver the necessary heating demand, this was something we wanted to steer away from so that the spaces would be comfortable and more cost effective to run.

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